2024 Sour Bicycles Crumble Base xl
Build
700C/29 in × 2.5 in
Insights
Somewhat upright stack and reach vs trend of hardtail trail mtb bikes
Suspension sag unknown
Geometry may mis-represent actual riding geometry
Stack and Reach vs. Category Trend
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Geometry
| Stack | 654mm |
| Reach | 491mm |
| Stack to Reach Ratio | 1.33:1 |
| Seat Tube Length, C-T | 510mm |
| Top Tube Length, Effective/Horizontal HT Top | 667mm |
| Head Tube Angle | 65deg |
| Seat Tube Angle, Unknown | 75deg |
| Head Tube Length | 110mm |
| Bottom Bracket Drop | 65mm |
| Bottom Bracket Height | 309.5mm |
| Chainstay Length | 430mm |
| Chainstay Length Horizontal | 425.1mm |
| Front-Center | 816.5mm |
| Front-Center Horizontal | 813.9mm |
| Wheelbase | 1239mm |
| Fork Offset/Rake | 43mm |
| Fork Length (Axle-To-Crown) | 541mm |
| Trail | 127.2mm very high |
| Mechanical Trail | 115.3mm |
| Wheel Flop | 48.7mm |
| Tire to Pedal Spindle Distance With 170 mm cranks | 272mm |
| Pedal Spindle to Ground Clearance With 170 mm cranks | 139.5mm |
Base Build
| Wheel Size | 700C, 29 inch (622mm BSD) |
| Tire Width | 2.5in |
| Tire Outer Diameter | 749mm |
| Bike Length with Tires | 1988mm |
| Suspension Type | Hardtail (Front suspension) |
| Bar Type | Flat Bar |
| Fork Travel | 130mm |
| Suspension Sag | Unknown |
| Frame Material | Steel |
| Fork Material | Unknown |
| Brake Type | Unknown |
Source:https://sour.bike/wp-content/uploads/2024/10/Crumble-Geo-2048x999.jpg